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13908436 = 224380863
BaseRepresentation
bin110101000011…
…100111010100
3222011121210021
4311003213110
512030032221
61214034524
7226135243
oct65034724
928147707
1013908436
11793a683
1247a8a44
132b5c859
141bc095a
15134b041
hexd439d4

13908436 has 12 divisors (see below), whose sum is σ = 24906112. Its totient is φ = 6792408.

The previous prime is 13908421. The next prime is 13908439. The reversal of 13908436 is 63480931.

13908436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13908439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40260 + ... + 40603.

Almost surely, 213908436 is an apocalyptic number.

It is an amenable number.

13908436 is a deficient number, since it is larger than the sum of its proper divisors (10997676).

13908436 is a wasteful number, since it uses less digits than its factorization.

13908436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80910 (or 80908 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 13908436 is about 3729.4015605724. The cubic root of 13908436 is about 240.4876427737.

The spelling of 13908436 in words is "thirteen million, nine hundred eight thousand, four hundred thirty-six".

Divisors: 1 2 4 43 86 172 80863 161726 323452 3477109 6954218 13908436